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EN 1.7216 Steel vs. EN 1.4109 Stainless Steel

Both EN 1.7216 steel and EN 1.4109 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 23
19
Fatigue Strength, MPa 290 to 440
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 410 to 560
480
Tensile Strength: Ultimate (UTS), MPa 650 to 930
770
Tensile Strength: Yield (Proof), MPa 400 to 690
420

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
820
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 20
30
Embodied Water, L/kg 50
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 33
28
Strength to Weight: Bending, points 21 to 27
24
Thermal Diffusivity, mm2/s 12
8.1
Thermal Shock Resistance, points 19 to 27
28

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.6 to 0.75
Chromium (Cr), % 0.8 to 1.2
14 to 16
Iron (Fe), % 97.2 to 98.4
80.7 to 85
Manganese (Mn), % 0.35 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0.4 to 0.8
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.015